What is the mean mass, in grams, of the five alpine marmots with weights 4,010 g, 4,010 g, 3,030 g, 4,050 g, and 3,050 g?

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Multiple Choice

What is the mean mass, in grams, of the five alpine marmots with weights 4,010 g, 4,010 g, 3,030 g, 4,050 g, and 3,050 g?

Explanation:
The mean is found by adding all values and dividing by how many values there are. Add the marmots’ weights: 4,010 + 4,010 + 3,030 + 4,050 + 3,050 = 18,150 g. Divide by 5 marmots: 18,150 ÷ 5 = 3,630 g. So the average mass is 3,630 g. This value sits between the smallest and largest weights, as expected for an average of these numbers.

The mean is found by adding all values and dividing by how many values there are. Add the marmots’ weights: 4,010 + 4,010 + 3,030 + 4,050 + 3,050 = 18,150 g. Divide by 5 marmots: 18,150 ÷ 5 = 3,630 g. So the average mass is 3,630 g. This value sits between the smallest and largest weights, as expected for an average of these numbers.

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